[CentOS] Centos 6: language mess with ssh

[Philippe BOURDEU d'AGUERRE]

When I connect through SSH to my Centos 6 box, language are mixed: 
connection is in english but password change dialog is in french. Example:

$ ssh aa@quercy
You are required to change your password immediately (root enforced)
Last login: Fri Oct 30 11:41:31 2015 from quercy
WARNING: Your password has expired.
You must change your password now and login again!
Changement de mot de passe pour l'utilisateur aa.
Nouveau mot de passe :
Retapez le nouveau mot de passe :
(Current) Password:
passwd : mise à jour réussie de tous les jetons d'authentification.
Connection to quercy closed.


I tried: "LANG=C ssh aa@quercy" and I get the same mess.

Is it possible to get password change dialog in english ?
--
Philippe BOURDEU d'AGUERRE
AIME - Campus de l'INSA                  http://www.aime-toulouse.fr/
135 av. de Rangueil                      Tél +33 561 559 885
31077 TOULOUSE Cedex 4 - FRANCE          Fax +33 561 559 870
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